Key result
Electroanatomic and entrainment mapping successfully guide catheter ablation of complex atrial arrhythmias in repaired TOF.
Why the study?
Patients late after surgical correction of congenital heart disease often develop complex atrial tachyarrhythmias that require improved mapping techniques for effective ablation.
Case Report (n=1)
Patients late after surgical correction of congenital heart disease often develop atrial tachyarrhythmias, that may have complex mechanisms. The availability of three-dimensional electroanatomic map imaging has greatly improved our understanding of the arrhythmia mechanisms and facilitates catheter ablation. We present mapping studies in a 58-year-old patient with repaired tetralogy of Fallot who presented with persistent, symptomatic, atrial flutter. The case illustrates how catheter ablation can be guided by electroanatomic mapping in combination with entrainment mapping.
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Delacrétaz et al. (2007) conducted a case report in Atrial flutter in repaired tetralogy of Fallot (n=1). Electroanatomic mapping and entrainment mapping was evaluated. Electroanatomic mapping combined with entrainment mapping can effectively guide catheter ablation of complex atrial tachyarrhythmias in a patient with repaired tetralogy of Fallot.
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